HSS Twist Drill Bit PointTeQ enables fast drilling in metal due to PointTeQ tip design. Self-centering tip prevents wandering, making quick and easy drilling starts possible. Increased drilling rate generates less heat and wear. Cylindrical shank compatible with three-jaw drill chucks. Diameter (D) mm: 12, Working length (L1) mm: 101, Shank diameter (d) mm: 12.